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Battery Chargers |
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| Specification for Typical Battery |
12 V, 100 AH |
| Operating Voltage |
125 to 300 V AC. 50 to 400 Hz |
| Ripple |
<150mV |
| Efficiency |
>90% |
| Maximum Charging Current |
13 A |
| Indication of Low battery |
For voltage less than 10.5 V |
| Indication of Battery Charged |
For voltage above 13.5V |
| Protection |
Overload, Short circuit, Reverse polarity. |
| Working Principle |
SMPS |
Note : Chargers of other ratings are also available. |
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Electronic Load |
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| Typical Load Range |
0 - 20 A (settable by multi turn potentiometer)* |
| Load Current Regulation |
+/- 0.05 % (for a change of battery voltage form No load voltage to end voltage level) |
| Line Regulation |
+/- 0.05 % (for +/- 10% change in mains supply) |
| Power Requirement |
230 V AC +/- 10% 50Hz |
Metering
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3 Digit Volt. Amp meter with selector switch indicates battery voltage and current or
separate Volt and Ammeter. |
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| DC Volt |
15 V |
0.01 V |
0.5% rdg +/- 2 digits |
| DC Current |
20 A |
0.01 A |
0.5% rdg +/- 2 digits |
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* Electronic Loads of higher ratings can also be designed to suit customer requirement
Note : Features like Cutting off the discharge test as battery reaches to End Voltage and Timer
to count total discharge time can be added on customer request. |
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Digital Variac |
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Technical Specification |
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| Digital Meter : (With Select Switch)
For Voltage and Current |
| Output
Voltage |
Range : 270 V AC |
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Accuracy : 0.75 % |
| Current |
Range : 2.0 Amp AC, 5.0 Amp. AC |
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Accuracy : 0.75 % |
| Dimensions :
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( 130 x 240 x 160 ) mm For 2 Amp. |
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( 180 x 300 x 160 ) mm For 5 Amp. |
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Insulation Resistance Testers
( Mains Operated ) |
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Technical Specification |
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| IR Measurement Range |
0 to 200 MW |
| Test Voltage |
500 V/1000 V DC (As per requirement) |
| Meter |
31/2 digit
LED |
| Accuracy of Display |
0.5 % FS |
| Accuracy of Test Voltage |
+ 2 % @100 MW
burden |
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Transistor,
Zener Diode Testers |
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| Transistors |
pnp or npn for hfe, Ic saturation current,
reverse leakage current. |
| Diodes |
Forward drop, reverse breakdown voltage |
| Zener Diodes |
Forward drop and zener voltage |
| Ranges |
Forward drop @maximum test current 10A,
Reverse / Breakdown voltage up to 1000V
Reverse leakage current up to 1 micro A |
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